diff options
Diffstat (limited to 'drivers/gpu/drm/i915/pxp/intel_pxp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/pxp/intel_pxp.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c index 15311eaed848..69cdaaddc4a9 100644 --- a/drivers/gpu/drm/i915/pxp/intel_pxp.c +++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c @@ -169,11 +169,23 @@ static void pxp_queue_termination(struct intel_pxp *pxp) * We want to get the same effect as if we received a termination * interrupt, so just pretend that we did. */ - spin_lock_irq(>->irq_lock); + spin_lock_irq(gt->irq_lock); intel_pxp_mark_termination_in_progress(pxp); pxp->session_events |= PXP_TERMINATION_REQUEST; queue_work(system_unbound_wq, &pxp->session_work); - spin_unlock_irq(>->irq_lock); + spin_unlock_irq(gt->irq_lock); +} + +static bool pxp_component_bound(struct intel_pxp *pxp) +{ + bool bound = false; + + mutex_lock(&pxp->tee_mutex); + if (pxp->pxp_component) + bound = true; + mutex_unlock(&pxp->tee_mutex); + + return bound; } /* @@ -187,6 +199,9 @@ int intel_pxp_start(struct intel_pxp *pxp) if (!intel_pxp_is_enabled(pxp)) return -ENODEV; + if (wait_for(pxp_component_bound(pxp), 250)) + return -ENXIO; + mutex_lock(&pxp->arb_mutex); if (pxp->arb_is_valid) |